为探讨妊娠高血压综合征(妊高征)对心脏的影响。了解心电图(ECG)的变化规律,本文分析495例妊高征患者的ECG,并选500例正常足月妊娠妇女ECG为对照,探讨其临床意义。资料与方法选择1985年1月～1990年1月间住院产妇ECG,其条件是病人妊娠前无心血管、肺肾病史,妊高征的诊断分轻中重,曾多次作ECG者, To investigate the impact of pregnancy-induced hypertension (PIH) on the heart. To understand the changing rules of electrocardiogram (ECG), this article analyzes the ECG of 495 patients with PIH, and selects 500 normal pregnant women ECG as a control to explore its clinical significance. Materials and Methods January 1985 ~ January 1990 hospitalized maternal ECG, the condition is the patient before pregnancy without cardiovascular disease, history of pulmonary nephropathy, PIH diagnosis of light and medium weight, who have repeatedly ECG,